diff --git a/Gemfile.lock b/Gemfile.lock
index 2e991b7..1904da2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,7 +79,7 @@ GEM
       activesupport (= 4.0.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.1.0)
+    rake (13.0.1)
     rdoc (3.12.2)
       json (~> 1.4)
     sass (3.2.10)